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Eritrea

Opponents of the Endangered Species Act don't argue against it because they have something against gorillas -- it's because, they say, the cost in lost jobs and higher taxes seems too high. But a study recently published in the journal Science suggests it's much lower than you'd guess.

Most Americans say that if the price of gas rises to between $4 to $6 a gallon, they're going to make "major" changes in lifestyle. Well, get ready to change, America: In some states prices have already touched the $4 mark. But it could be ever so much worse.

With U.S. gas prices near historic highs, Americans are anxious about the cost of filling up. But we still feel far less pain at the pump than drivers in many other developed nations. On the flip side, if you drive in the right world cities, you can still pay less than $1 a gallon.